Methods for the Analysis of Ores Pig Iron And Steel in Use At the Laboratories
Methods for the Analysis of Ores Pig Iron And Steel in Use At the Laboratories
Phillips, Francis C. (Francis Clifford), 1850-1920
The book Methods for the Analysis of Ores Pig Iron And Steel in Use At the Laboratories was written by author Phillips, Francis C. (Francis Clifford), 1850-1920 Here you can read free online of Methods for the Analysis of Ores Pig Iron And Steel in Use At the Laboratories book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Methods for the Analysis of Ores Pig Iron And Steel in Use At the Laboratories a good or bad book?
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20) and boil in a 100 cc. Flask until solution is complete. Wash the con- tents of the flask into a one-half gallon flask containing 700 cc. Hot water, add 100 cc. Sodium acetate solution, and bring to a boil for one minute. Remove from the plate and allow to settle for three minutes ; filter through a 38^2 cm. Pleated filter into a liter beaker and allow the precipitate to run dry. To the filtrate, which should be perfectly clear and almost colorless, add 3 drops phenolphthalein, then ammonium... hydroxide until pink, place on a hot plate and pass a current of hydrogen sulphide through the solution for ten minutes; remove from the plate and add 12 cc. Acetic acid (50 per cent. ) ; stir and allow the precipitate to coag- ulate on a warm plate for ten minutes, filter through a 12. 5 cm. Filter, and wash with hydrogen sulphide water made slightly acid with acetic acid. Roast in a platinum crucible carefully, at a low red heat (usually at the front of the muffle), until the paper has just burned off.
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